18 August 1868 Posted on August 17, 2012 by Staff Helium is discovered by the French astronomer Pierre Jules César Janssen Famous Words of Inspiration..."One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success." Thomas A. Edison — Click here for more from Thomas A. Edison Related posts: 28 July 1868 18 August 1976